Researchers have succeeded in turning ordinary cardiac muscle cells into specialised ones that deliver a steady heartbeat using a gene therapy procedure they predict could become an alternative to implanted electronic pacemakers.

China has sent back a shipment of pacemakers imported from the United States because of quality problems.
The move is the latest tit-for-tat measure over product safety.
The General Administration of Quality Supervision, Inspe

China has sent back a shipment of pacemakers imported from the United States because of quality problems, the country's standards watchdog reported on Monday, in the latest tit-for-tat measure over product safety.
The General Administratio